Hydrogen production system

Abstract

A hydrogen production system includes: hydrogen compound members, a first container, a second container having an internal temperature that is lower than the internal temperature of the first container, and a water supplying device that supplies water to the second container. The hydrogen compound member accommodated in the first container is movable into the second container, and the hydrogen compound member accommodated in the second container is movable into the first container.

1 . A hydrogen production system comprising:
 a hydrogen compound member;   a first container;   a second container having an internal temperature which is lower than an internal temperature of the first container; and   a water supply device which supplies water into the second container,   wherein the hydrogen compound member accommodated in the first container is movable into the second container, and the hydrogen compound member accommodated in the second container is movable into the first container.   
     
     
         2 . The hydrogen production system according to  claim 1 , further comprising:
 a first path through which the hydrogen compound member moves from the first container to the second container;   a second path through which the hydrogen compound member moves from the second container to the first container;   a first heat exchanger which cools the hydrogen compound member moving through the first path;   a second heat exchanger which heats the hydrogen compound member moving through the second path; and   a circulation line in which a heat medium which exchanges heat with the hydrogen compound member in the first heat exchanger and the second heat exchanger circulates between the first heat exchanger and the second heat exchanger.   
     
     
         3 . The hydrogen production system according to  claim 2 ,
 wherein a replacement unit for extracting the hydrogen compound member moving through the first path or the second path and for supplying a new hydrogen compound member different from the extracted hydrogen compound member to the first path or the second path is provided in at least one of the first path or the second path.   
     
     
         4 . The hydrogen production system according to  claim 1 ,
 wherein an inside of one or both of the first container and the second container is configured to have a labyrinth structure.   
     
     
         5 . The hydrogen production system according to  claim 1 , further comprising:
 a gas circulation line through which a gas circulates so that the gas in the first container flows out from the first container and flows into the first container again; and   a dust collection device which is provided in the gas circulation line, and removes a solid component from the gas which flows through the gas circulation line.   
     
     
         6 . The hydrogen production system according to  claim 5 , further comprising:
 a collection line which supplies the solid component removed by the dust collection device to the hydrogen compound member moving from the second container to the first container.   
     
     
         7 . The hydrogen production system according to  claim 1 ,
 wherein the hydrogen compound member is accommodated in a cartridge having both ends of a porous tubular member closed with lids,   the first container and the second container include inlets and outlets,   as the cartridge is installed in the first container so that each of the lids of the cartridge fits each of the inlet and the outlet of the first container and the tubular member is positioned in an inside of the first container, the hydrogen compound member can be accommodated in the first container,   as the cartridge is installed in the second container so that each of the lids of the cartridge fits each of the inlet and the outlet of the second container and the tubular member is positioned in an inside of the second container, the hydrogen compound member can be accommodated in the second container, and   the cartridge installed in the first container is movable to be installed in the second container, and the cartridge installed in the second container is movable to be installed in the first container.   
     
     
         8 . The hydrogen production system according to  claim 7 ,
 wherein a third container including an inlet and an outlet is provided between the first container and the second container,   as the cartridge is installed in the third container so that each of the lids of the cartridge fits each of the inlet and the outlet of the third container and the tubular member is positioned in an inside of the third container, the hydrogen compound member can be accommodated in the third container,   the cartridge installed in the first container is movable to be installed in the third container, and the cartridge installed in the third container is movable to be installed in the second container, and   the hydrogen production system includes a first purge line in which a gas in the third container is purged.   
     
     
         9 . The hydrogen production system according to  claim 7 ,
 a fourth container including an inlet and an outlet is provided between the second container and the first container,   as the cartridge is installed in the fourth container so that each of the lids of the cartridge fits each of the inlet and the outlet of the fourth container and the tubular member is positioned in an inside of the fourth container, the hydrogen compound member can be accommodated in the fourth container,   the cartridge installed in the second container is movable to be installed in the fourth container, and the cartridge installed in the fourth container is movable to be installed in the first container, and   the hydrogen production system includes a second purge line in which a gas in the fourth container is purged.   
     
     
         10 . The hydrogen production system according to  claim 1 , further comprising:
 a gas circulation line through which a gas circulates so that the gas in the first container flows out from the first container and flows into the first container again;   an extraction line for extracting some of the gas which circulates through the gas circulation line; and   a first heater which heats the water by exchanging heat between the gas which flows through the extraction line and the water supplied to the second container by the water supply device.   
     
     
         11 . The hydrogen production system according to  claim 1 , further comprising:
 a gas circulation line through which a gas circulates so that the gas in the first container flows out from the first container and flows into the first container again;   a heat generation device; and   a third heat exchanger which exchanges heat between the gas which circulates through the gas circulation line and a fluid which has absorbed heat generated by the heat generation device.   
     
     
         12 . The hydrogen production system according to  claim 11 , further comprising:
 a second heater which heats the water by exchanging heat between the fluid that has exchanged heat with the gas in the third heat exchanger, and the water supplied to the second container by the water supply device.   
     
     
         13 . The hydrogen production system according to  claim 1 , further comprising:
 a gas circulation line through which a gas circulates so that the gas flowing into the first container flows out from the first container and flows into the first container again;   a sunlight focusing device which focuses sunlight; and   a third heat exchanger which exchanges heat between the gas which circulates through the gas circulation line and a fluid heated by emitting the sunlight focused by the sunlight focusing device.